<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
    "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <title></title>
</head>
<body>
<a href="<warning>abacaba</warning>"></a>
<a href="/<warning>some-url.ext</warning>">anchor text</a>
Jabber: <a href="xmpp:krak@jabber.ru">krak@jabber.ru</a>
</body>
</html>